CN110872661A - High-temperature-resistant titanium alloy plate and preparation method thereof - Google Patents
High-temperature-resistant titanium alloy plate and preparation method thereof Download PDFInfo
- Publication number
- CN110872661A CN110872661A CN201810993099.8A CN201810993099A CN110872661A CN 110872661 A CN110872661 A CN 110872661A CN 201810993099 A CN201810993099 A CN 201810993099A CN 110872661 A CN110872661 A CN 110872661A
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- alloy plate
- temperature
- plate blank
- resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
Abstract
The invention discloses a high-temperature resistant titanium alloy plate and a preparation method thereof, wherein the titanium alloy plate is prepared from the following raw materials in percentage by weight: 2.1-3.5% of silicon, 1.2-1.7% of tin, 1.2-1.5% of lead, 0.2-0.4% of chromium, 0.1-0.3% of platinum, 0.1-0.2% of carbon and the balance of titanium. The preparation method comprises six steps of ingot casting smelting, hot rolling and blank forming, heat treatment, acid cleaning treatment, activation treatment and cold rolling and plate forming. The titanium alloy plate has good thermal stability, the preparation method is simple and easy to implement, and the treated plate has more outstanding thermal stability and strength and is suitable for popularization.
Description
Technical Field
The invention belongs to the field of titanium alloy plate preparation, and particularly relates to a high-temperature-resistant titanium alloy plate and a preparation method thereof.
Background
The titanium alloy plate has the advantages of light weight, high specific strength, good corrosion resistance and the like, and is widely applied to the fields of oil exploitation, chemical engineering, aerospace, ship manufacturing, automobile industry and the like. The heat stability of the existing high-temperature titanium alloy plate is not ideal, although the use temperature of the titanium alloy is hundreds of degrees higher than that of the aluminum alloy, the required strength can be still maintained at a medium temperature, the high-temperature titanium alloy plate can work for a long time at the temperature of 450-500 ℃, and the high specific strength still exists within the range of 150-500 ℃. However, once the temperature is higher than 800 ℃, the thermal stability of the existing titanium alloy sheet material is greatly reduced, and even safety accidents are caused seriously.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-temperature-resistant titanium alloy plate and the preparation method thereof.
The invention is realized by the following technical scheme:
the high-temperature-resistant titanium alloy plate is composed of the following raw materials in percentage by weight: 2.1-3.5% of silicon, 1.2-1.7% of tin, 1.2-1.5% of lead, 0.2-0.4% of chromium, 0.1-0.3% of platinum, 0.1-0.2% of carbon and the balance of titanium.
A preparation method of a high-temperature-resistant titanium alloy plate comprises the following steps:
step 1) putting raw materials into a vertical vacuum sintering furnace in proportion, vacuumizing, heating and mixing, filling inert gas, maintaining the temperature and the pressure, and casting into a titanium alloy ingot after smelting;
step 2) hot rolling the titanium alloy ingot prepared in the step 1) into a titanium alloy plate blank;
step 3) carrying out heat treatment on the titanium alloy plate blank in the step 2);
step 4) carrying out acid cleaning on the titanium alloy plate blank treated in the step 3) to remove an oxide film on the surface;
step 5) carrying out activation treatment on the surface of the titanium alloy plate blank treated in the step 4);
and 6) carrying out cold rolling on the titanium alloy plate blank treated in the step 5) to obtain the high-temperature-resistant titanium alloy plate.
Further, the temperature of the vacuumizing and heating in the step 1) is 1400-1800 ℃.
Further, in the step 1), the inert gas is argon, and the pressure is 1.0 × 10-2Pa。
Further, the heat treatment process in step 3) is as follows: and (3) putting the titanium alloy plate blank into a box type resistance furnace, heating the furnace to 1200 +/-50 ℃, preserving the heat for 3-4 h, cooling the furnace to 700 +/-10 ℃, and discharging.
Further, the volume ratio of the pickling solution for pickling in the step 4) is H2SO4:HNO3:H2O =4 to 8: 3-6: 86 to 93 percent and the pickling temperature is60~80 ℃。
Further, the activation treatment process in the step 5) is as follows: and (3) putting the activation liquid into an ultrasonic treatment device, adjusting the ultrasonic frequency to be 30-45 KHz, the power to be 100-200W and the temperature to be 30-40 ℃, immersing the titanium alloy plate blank into the activation liquid, and treating for 5-10 min.
Further, the volume ratio of the activating solution is HCl to CuSO4·5H2O:H2O=5~8：8~15：77~87。
The invention has the following beneficial effects:
the titanium alloy plate effectively improves the thermal stability of the plate by optimizing the components and the proportion of the titanium alloy raw materials, wherein the addition of the metal raw materials such as Cr, Pt and the like ensures that the alloy can keep higher strength in a high-temperature environment besides outstanding thermal stability, and greatly improves the comprehensive performance of the titanium alloy plate. The preparation method comprises the steps of oxidizing the surface of the titanium alloy plate blank to generate a uniform and compact titanium oxide film layer on the surface of the titanium alloy plate blank, so that the compact oxide layer on the surface of the titanium alloy plate blank is high in bonding strength and tight in bonding with the titanium alloy plate, the thermal stability and the strength are improved, the titanium alloy plate blank is complementary with the selection of materials, and the titanium alloy plate blank is suitable for popularization.
Detailed Description
The invention is further illustrated with reference to specific examples.
Example 1
A high-temperature resistant titanium alloy plate is composed of the following raw materials in percentage by weight: 2.1% of silicon, 1.2% of tin, 1.5% of lead, 0.4% of chromium, 0.1% of platinum, 0.2% of carbon and 94.5% of titanium.
The preparation process comprises the following steps:
(1) proportionally adding the raw materials into a vertical vacuum sintering furnace, and vacuumizing until the vacuum degree is 1.0 multiplied by 10-2Pa, heating to 1400 ℃, melting and mixing, then filling inert gas Ar, maintaining the temperature and the pressure, and casting into a titanium alloy ingot after smelting;
(2) hot rolling the titanium alloy ingot at 750 ℃ to form a titanium alloy plate blank;
(3) and (3) heat treatment: putting the titanium alloy plate blank into a box type resistance furnace, heating the furnace to 1200 +/-50 ℃, preserving the heat for 3 hours, cooling the furnace to 700 +/-10 ℃, and discharging;
(4) immersing the heat-treated titanium alloy slab in a pickling solution (H)2SO4:HNO3:H2O = 4: 3: 93) acid washing is carried out at the temperature of 60 ℃, and an oxide film on the surface of the plate blank is removed;
(5) activation treatment: activating solution (HCl: CuSO)4·5H2O:H2O = 5: 8: 87) putting the titanium alloy plate blank into an ultrasonic treatment device, adjusting the ultrasonic frequency to be 30 KHz, the power to be 100W and the temperature to be 30 ℃, immersing the titanium alloy plate blank treated in the step (4) into an activating solution, and treating for 10 min;
(6) and (5) carrying out cold rolling on the titanium alloy plate blank treated in the step (5) to obtain the high-temperature-resistant titanium alloy plate.
Example 2
A high-temperature resistant titanium alloy plate is composed of the following raw materials in percentage by weight: 3.5 percent of silicon, 1.7 percent of tin, 1.2 percent of lead, 0.2 percent of chromium, 0.3 percent of platinum, 0.1 percent of carbon and 93.0 percent of titanium.
The preparation process comprises the following steps:
(1) proportionally adding the raw materials into a vertical vacuum sintering furnace, and vacuumizing until the vacuum degree is 1.0 multiplied by 10-2Pa, heating to 1800 ℃, melting and mixing, then filling inert gas Ar, maintaining the temperature and the pressure, and casting into a titanium alloy ingot after melting;
(2) hot rolling the titanium alloy ingot at 750 ℃ to form a titanium alloy plate blank;
(3) and (3) heat treatment: putting the titanium alloy plate blank into a box type resistance furnace, heating the furnace to 1200 +/-50 ℃, preserving the heat for 4 hours, cooling the furnace to 700 +/-10 ℃, and discharging;
(4) immersing the heat-treated titanium alloy slab in a pickling solution (H)2SO4:HNO3:H2O = 8: 6: 86) acid washing is carried out at the temperature of 80 ℃, and an oxide film on the surface of the plate blank is removed;
(5) activation treatment: activating solution (HCl: CuSO)4·5H2O:H2O=8: 15: 77) putting the titanium alloy plate blank into an ultrasonic treatment device, adjusting the ultrasonic frequency to be 45 KHz, the power to be 200W and the temperature to be 40 ℃, and immersing the titanium alloy plate blank treated in the step (4) into an activating solution for treatment for 5 min;
(6) and (5) carrying out cold rolling on the titanium alloy plate blank treated in the step (5) to obtain the high-temperature-resistant titanium alloy plate.
Example 3
A high-temperature resistant titanium alloy plate is composed of the following raw materials in percentage by weight: 2.8% of silicon, 1.4% of tin, 1.3% of lead, 0.3% of chromium, 0.2% of platinum, 0.1% of carbon and 93.9% of titanium.
The preparation process comprises the following steps:
(1) proportionally adding the raw materials into a vertical vacuum sintering furnace, and vacuumizing until the vacuum degree is 1.0 multiplied by 10-2Pa, heating to 1600 ℃, melting and mixing, then filling inert gas Ar, maintaining the temperature and the pressure, and casting into a titanium alloy ingot after smelting;
(2) hot rolling the titanium alloy ingot at 750 ℃ to form a titanium alloy plate blank;
(3) and (3) heat treatment: putting the titanium alloy plate blank into a box type resistance furnace, heating the furnace to 1200 +/-50 ℃, preserving heat for 3.5 hours, cooling the furnace to 700 +/-10 ℃, and discharging;
(4) immersing the heat-treated titanium alloy slab in a pickling solution (H)2SO4:HNO3:H2O = 5: 5: 90) acid washing is carried out at the temperature of 70 ℃, and an oxide film on the surface of the plate blank is removed;
(5) activation treatment: activating solution (HCl: CuSO)4·5H2O:H2O = 7: 11: 82) putting the titanium alloy plate blank into an ultrasonic treatment device, adjusting the ultrasonic frequency to be 40 KHz, the power to be 150W and the temperature to be 35 ℃, immersing the titanium alloy plate blank treated in the step (4) into an activating solution, and treating for 8 min;
(6) and (5) carrying out cold rolling on the titanium alloy plate blank treated in the step (5) to obtain the high-temperature-resistant titanium alloy plate.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The high-temperature-resistant titanium alloy plate is characterized by comprising the following raw materials in percentage by weight: 2.1-3.5% of silicon, 1.2-1.7% of tin, 1.2-1.5% of lead, 0.2-0.4% of chromium, 0.1-0.3% of platinum, 0.1-0.2% of carbon and the balance of titanium.
2. The method for producing a high temperature-resistant titanium alloy sheet as claimed in claim 1, characterized by comprising the steps of:
step 1) putting raw materials into a vertical vacuum sintering furnace in proportion, vacuumizing, heating and mixing, filling inert gas, maintaining the temperature and the pressure, and casting into a titanium alloy ingot after smelting;
step 2) hot rolling the titanium alloy ingot prepared in the step 1) into a titanium alloy plate blank;
step 3) carrying out heat treatment on the titanium alloy plate blank in the step 2);
step 4) carrying out acid cleaning on the titanium alloy plate blank treated in the step 3) to remove an oxide film on the surface;
step 5) carrying out activation treatment on the surface of the titanium alloy plate blank treated in the step 4);
and 6) carrying out cold rolling on the titanium alloy plate blank treated in the step 5) to obtain the high-temperature-resistant titanium alloy plate.
3. The method for preparing the high-temperature-resistant titanium alloy plate as claimed in claim 2, wherein the temperature for the vacuum heating in step 1) is 1400-1800 ℃.
4. The method for preparing a high temperature resistant titanium alloy sheet as claimed in claim 2, wherein the inert gas in step 1) is argon gas, and the inert gas is argon gasPressure of 1.0X 10-2Pa。
5. The method for preparing the high-temperature-resistant titanium alloy plate as claimed in claim 2, wherein the heat treatment process in step 3) is as follows: and (3) putting the titanium alloy plate blank into a box type resistance furnace, heating the furnace to 1200 +/-50 ℃, preserving the heat for 3-4 h, cooling the furnace to 700 +/-10 ℃, and discharging.
6. The method for preparing the high temperature resistant titanium alloy sheet as claimed in claim 2, wherein the pickling solution in the step 4) is H2SO4:HNO3:H2O =4 to 8: 3-6: 86-93 ℃, and the pickling temperature is 60-80 ℃.
7. The method for preparing the high-temperature-resistant titanium alloy plate as claimed in claim 2, wherein the activation treatment process in step 5) is: and (3) putting the activation liquid into an ultrasonic treatment device, adjusting the ultrasonic frequency to be 30-45 KHz, the power to be 100-200W and the temperature to be 30-40 ℃, immersing the titanium alloy plate blank into the activation liquid, and treating for 5-10 min.
8. The method for preparing the high-temperature-resistant titanium alloy plate as claimed in claim 7, wherein the volume ratio of the activating solution is HCl to CuSO4·5H2O:H2O=5~8：8~15：77~87。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810993099.8A CN110872661A (en) | 2018-08-29 | 2018-08-29 | High-temperature-resistant titanium alloy plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810993099.8A CN110872661A (en) | 2018-08-29 | 2018-08-29 | High-temperature-resistant titanium alloy plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110872661A true CN110872661A (en) | 2020-03-10 |
Family
ID=69714182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810993099.8A Withdrawn CN110872661A (en) | 2018-08-29 | 2018-08-29 | High-temperature-resistant titanium alloy plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110872661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561529A (en) * | 2022-03-09 | 2022-05-31 | 西部金属材料股份有限公司 | Preparation method of Ti-Ni-Cr high-hardness titanium alloy plate |
-
2018
- 2018-08-29 CN CN201810993099.8A patent/CN110872661A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561529A (en) * | 2022-03-09 | 2022-05-31 | 西部金属材料股份有限公司 | Preparation method of Ti-Ni-Cr high-hardness titanium alloy plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106181131A (en) | Solid core welding wire preparation method for the welding of anti-fused salt corrosion nickel base superalloy | |
| WO2020147490A1 (en) | Modified austenitic stainless steel having good high-temperature creep resistance performance and preparation method therefor | |
| CN109022944A (en) | A kind of shell case aluminium alloy plate and its production method | |
| WO2021046927A1 (en) | Nickel-rhenium alloy rotary tubular target material containing trace rare earth elements and preparation method therefor | |
| WO2021046928A1 (en) | Large pipe-diameter ni-v rotary target material containing trace elements and preparation method therefor | |
| CN111235518B (en) | Method for improving high-temperature oxidation resistance of titanium-based alloy through high-temperature fluorination treatment | |
| CN113215494B (en) | Preparation method of aviation invar alloy plate | |
| CN110872661A (en) | High-temperature-resistant titanium alloy plate and preparation method thereof | |
| CN104862686A (en) | Corrosion resistant coating layer for surface of hydraulic cylinder and preparation method thereof | |
| CN106544627A (en) | A kind of thermophilic corrosion-resistance composite coating and preparation method thereof | |
| CN105506427B (en) | Modified compound Hf Ta coatings in a kind of tantalum alloy surface and preparation method thereof | |
| WO2021046929A1 (en) | Large-diameter ni-cr rotating target containing trace elements and preparation method therefor | |
| CN102391001A (en) | High-temperature burnout-resistance billet coating and preparation method thereof | |
| CN115142018A (en) | High-entropy alloy coating resistant to high-temperature liquid lead/lead bismuth alloy corrosion and preparation method thereof | |
| CN114045053A (en) | Decarburization-preventing separant | |
| CN113122778A (en) | High-cleanness low-brittleness Fe-Cr-Al-Y-La alloy material and preparation method thereof | |
| CN111410560A (en) | Preparation method of silicified graphite with high-density SiC coating | |
| CN111304661A (en) | Aluminum-silicon-magnesium coating and preparation method thereof | |
| CN112795825A (en) | Titanium-based Mxene-enhanced aluminum alloy and preparation process thereof | |
| CN111805085A (en) | Method for improving welding performance of aluminum alloy sheet component of mountain bike | |
| CN116422726B (en) | High-strength corrosion-resistant aluminum alloy pipeline and preparation method thereof | |
| CN113430479B (en) | Ti-Al-Si-C coating modified by carbon nano material on surface of titanium and titanium alloy and preparation method thereof | |
| CN116924690B (en) | Ceramic coating and preparation method and application thereof | |
| CN102517573B (en) | Al2O3 ceramic coating for protecting surface of metal and preparation method thereof | |
| CN115216777B (en) | Surface iron removal process of carbon steel crucible for magnesium alloy smelting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200310 |
|
| WW01 | Invention patent application withdrawn after publication |